Winding needle assembly, winding apparatus, production device, and method for winding electrode assemblies
US-2026001737-A1 · Jan 1, 2026 · US
Multiple web roll supports
Multiple web roll supports · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B65H18/021 |
| Official title | {Multiple web roll supports} |
| Display label | Multiple web roll supports |
| Total patents | 51 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 9 |
| 2017 | 5 |
| 2018 | 7 |
| 2019 | 7 |
| 2020 | 5 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 5 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Media exchanger and printing device
US-2025083462-A1 · Mar 13, 2025 · US
Adhesive film production apparatus and reel bodies
US-12227379-B2 · Feb 18, 2025 · US
Clasp for Producing Coreless Roll Products
US-2024417201-A1 · Dec 19, 2024 · US
Material strip processing system
US-12139357-B2 · Nov 12, 2024 · US
Adhesive film production apparatus and adhesive film production method
US-12134534-B2 · Nov 5, 2024 · US
Method and Apparatus for Producing Coreless Roll Products
US-2024158194-A1 · May 16, 2024 · US
Plant for building tyres of vehicle wheels and method for providing elongated elements to be used in a process for building tyres
US-2024034014-A1 · Feb 1, 2024 · US
Image forming apparatus and method
US-2023242363-A1 · Aug 3, 2023 · US
Adhesive film production apparatus and adhesive film production method
US-2023040595-A1 · Feb 9, 2023 · US
Adhesive film production apparatus and reel bodies
US-2023039365-A1 · Feb 9, 2023 · US
Material Strip Processing System
US-2022289510-A1 · Sep 15, 2022 · US
Unwinding or winding rolls of print substrate
US-11352228-B2 · Jun 7, 2022 · US
Slitting apparatus and method for producing separator roll
US-10800060-B2 · Oct 13, 2020 · US
Web conveying device
US-2020262670-A1 · Aug 20, 2020 · US
Method for producing separator roll and device for producing separator roll
US-10661462-B2 · May 26, 2020 · US
Method for adapting at least one winding parameter of a winding device
US-10618763-B2 · Apr 14, 2020 · US
Roll body supporting device and printing apparatus
US-10576759-B2 · Mar 3, 2020 · US
Method for producing slit separator and method for producing separator roll
US-10513045-B2 · Dec 24, 2019 · US
Unwinding or winding rolls of print substrate
US-2019382226-A1 · Dec 19, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B65H18/021?
- CPC B65H18/021 is the Cooperative Patent Classification code for “Multiple web roll supports.”
- How many patents are filed under CPC B65H18/021 (Multiple web roll supports)?
- Our database includes 51 publications tagged with this CPC code.
- Is patent activity under CPC B65H18/021 growing?
- Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).